WP-161 model White in color Turn on by clicking the power button. Turn off the power by holding down the button for three seconds. Output for USB1/2: DC 5V-2.1A USB Port: Type-C/USB Micro 2 DC 5V-2.1A input Output Total: DC 5V-2.1A (MAX) LED Digital Indicator for Batteries 10000mAh Power Bank Capacity (3.7V/37Wh) 32.56WWh is the gross battery power. Dimensions: 141*67*15 mm; mass: 235 g